Crab Tetrazzini

• 2 fettucine
• 170 gr mushrooms (sliced)
• 180 ml chicken broth
• 60 ml wine dry (white)
• 45 gr butter
• 40 gr green onion (sliced)
• 20 gr parmesan cheese (grated)
• 9 gr parsley
• 8 gr flour
• 1 gr garlic salt